[INFO] cloning repository https://github.com/DaniilLemes/Hand_write_rec_AI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaniilLemes/Hand_write_rec_AI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilLemes%2FHand_write_rec_AI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilLemes%2FHand_write_rec_AI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a5986c24ea652d5d3aea40655404824deb8e9ed
[INFO] checking DaniilLemes/Hand_write_rec_AI against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilLemes%2FHand_write_rec_AI" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DaniilLemes/Hand_write_rec_AI
[INFO] finished tweaking git repo https://github.com/DaniilLemes/Hand_write_rec_AI
[INFO] tweaked toml for git repo https://github.com/DaniilLemes/Hand_write_rec_AI written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DaniilLemes/Hand_write_rec_AI on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DaniilLemes/Hand_write_rec_AI already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking DaniilLemes/Hand_write_rec_AI against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilLemes%2FHand_write_rec_AI" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DaniilLemes/Hand_write_rec_AI
[INFO] finished tweaking git repo https://github.com/DaniilLemes/Hand_write_rec_AI
[INFO] tweaked toml for git repo https://github.com/DaniilLemes/Hand_write_rec_AI written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DaniilLemes/Hand_write_rec_AI on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DaniilLemes/Hand_write_rec_AI already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mnist v0.6.0
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded miniz_oxide v0.8.8
[INFO] [stderr]   Downloaded adler2 v2.0.0
[INFO] [stderr]   Downloaded socket2 v0.5.9
[INFO] [stderr]   Downloaded flate2 v1.1.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.106
[INFO] [stderr]   Downloaded curl v0.4.47
[INFO] [stderr]   Downloaded libz-sys v1.1.22
[INFO] [stderr]   Downloaded curl-sys v0.4.80+curl-8.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b
[INFO] running `Command { std: "docker" "start" "67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling curl-sys v0.4.80+curl-8.12.1
[INFO] [stderr]     Checking mnist v0.6.0
[INFO] [stderr]     Checking HandWriteAI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::mnist::Mnist`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ::mnist::Mnist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Perceptron` is never constructed
[INFO] [stdout]  --> src/perceptron/perceptron.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Perceptron {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `compute`, and `learn` are never used
[INFO] [stdout]   --> src/perceptron/perceptron.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Perceptron {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout]  8 |
[INFO] [stdout]  9 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn compute(&self, input: &[f64]) -> f64{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn learn(&mut self, vector_input: &[f64], good_answer: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::mnist::Mnist`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ::mnist::Mnist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Perceptron` is never constructed
[INFO] [stdout]  --> src/perceptron/perceptron.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Perceptron {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] [stdout] warning: associated items `new`, `compute`, and `learn` are never used
[INFO] [stdout]   --> src/perceptron/perceptron.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Perceptron {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout]  8 |
[INFO] [stdout]  9 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn compute(&self, input: &[f64]) -> f64{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn learn(&mut self, vector_input: &[f64], good_answer: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b", kill_on_drop: false }`
[INFO] [stdout] 67c005af4e4e34dc301a419587ff62a3fb3d64031f1c5fbc44844bfb53afd85b